— eustatic /yooh stat"ik/ , adj. — eustatically , adv.
/yooh"steuh see/ , n. , pl. eustasies . Geol.
any uniformly global change of sea level that may reflect a change in the quantity of water in the ocean, or a change in the shape and capacity of the ocean basins.
Also, eustacy .
[ 1945-50; nominalization of eustatic caused by eustasy ( eustatisch, coined by Austrian geologist Edward Suess (1831-1914); see EU-, STATIC), with -stasy for -stasis STASIS, prob. on the model of ECSTASY ]